Aquilegia triternata
perennial

Three-leaved Columbine

Aquilegia triternata

The Story

Plant Bio

Aquilegia triternata is a perennial herbaceous plant distinguished by its delicate, fern-like foliage and charming, bell-shaped flowers that typically display soft yellow to greenish hues, attracting pollinators with their unique form.

This species is appreciated for its drought tolerance and ability to thrive in shaded woodland gardens, making it a versatile choice for naturalistic plantings.

Uses & Benefits:

Ornamental UsesProvides delicate, nodding flowers that add charm to shaded gardens.
Practical UsesHelps control erosion in woodland garden settings.
Ecological BenefitsSupports hummingbirds and pollinators with nectar-rich blooms.

Essentials

At a Glance

Plant Type

Perennial

Height

24 inches

Width

18 inches

Light

Full Sun, Partial Sun, Shade

Zones

4, 5, 6, 7, 8

Water

Low to moderate

Humidity

Average

Lifespan

Perennial

Native To

Southwestern U.S. and Northern Mexico

Toxicity

Toxic if ingested; handle with gloves as sap may irritate skin.

Bloom period

Late spring – Early summer

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In flower about 2 months of the year

Planting

How to Grow

  1. Tuck seeds into moist soil in early spring.
  2. Mist cuttings regularly to maintain humidity.
  3. Plant in partial shade with well-draining loam soil.
  4. Water consistently during dry spells for 6 weeks.
  5. Fertilize lightly in early spring and mid-summer.
  6. Divide clumps every 3–4 years in early spring.

Pro Tip

Provide shaded, moist soil for best growth and flowering.

Keep It Thriving

Care Guide

Do

  • Water regularly to keep soil moist 🌱
  • Mulch to retain soil moisture
  • Fertilize in early spring

Don't

  • Avoid overwatering which can cause root rot ❌
  • Don’t expose to full sun in hot climates
  • Refrain from heavy pruning after flowering

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Deadhead
Pest Check
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Shaded woodland borderWildflower meadow edgeButterfly-friendly garden

Companion Plants

Multiply

Propagation Methods

Good to Know

Common Questions

Three-leaved Columbine questions

What zones can Three-leaved Columbine grow in?

Three-leaved Columbine is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Three-leaved Columbine deer resistant?

Yes — Three-leaved Columbine is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Three-leaved Columbine bloom?

Three-leaved Columbine typically blooms in late spring through early summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Three-leaved Columbine need full sun?

Three-leaved Columbine does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Keep exploring

Grow Three-leaved Columbine with confidence

See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.